L1.5: LIMITATIONS OF PERT/CPM

Question 1

What are the limitations of PERT/CPM?

Answer 1

1. Only allow Finish-to-Start Relationship
2. Lag relationship cannot be shown

Question 2

In PERT/CPM, since it only uses a F-S relationship, the presentation of activity relationship shows that succeeding activity cannot start until its preceding activity has been completed.

Answer 2

Only allow Finish-to-Start Relationship

Question 3

If there are overlapping of activities, sometimes the approach used is through repetition of activities

Answer 3

Only allow Finish-to-Start Relationship

Question 4

-Lag is always zero
-Presence of dummy activities

Answer 4

Lag Relationship Cannot be Shown